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Sinnerite Mineral Data
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General Sinnerite Information
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 Chemical Formula: |
Cu6As4S9 |
| Composition: |
Molecular Weight = 969.56 gm |
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Copper 39.32 % Cu |
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Arsenic 30.91 % As |
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Sulfur 29.77 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu6As4S9 |
| Environment: |
On sulfides in crystalline dolomite. |
| IMA Status: |
Approved IMA 1964 |
| Locality: |
Lengenbach quarry, Binntal, Valais, Switzerland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Rudolph von Sinner (1890-1960), President of the Commission of the Natural History Museum, Bern, Switzerland. |
| Name Pronunciation: |
Sinnerite + Pronunciation  |
| Synonym: |
ICSD 66660 |
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PDF 25-264 |
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Sinnerite Image |
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Images:
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Sinnerite
Comments: Blackish-grey aggregate of sinnerite crystals with red realgar on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland.
Scale: Picture high 6 mm.
© Walter Gabriel |
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Sinnerite Crystallography
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| Axial Ratios: |
a:b:c =0.9216:1:0.9237 |
| Cell Dimensions: |
a = 9.06, b = 9.83, c = 9.08, Z = 2; alpha = 90°, beta = 109.5°, gamma = 107.8° V = 725.79 Den(Calc)= 4.44 |
| Crystal System: |
Triclinic - Pedial H-M Symbol (1) Space Group: P1 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.024(1), 1.852(0.8), 1.581(0.7), |
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Physical Properties of Sinnerite
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| Cleavage: |
{???} Indistinct |
| Color: |
Steel gray. |
| Density: |
5.2 |
| Diaphaneity: |
Opaque |
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
| Habit: |
Columnar - Forms columns |
| Habit: |
Twinning Common - Crystals are usually twinned. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
grayish black |
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Calculated Properties of Sinnerite
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| Electron Density: |
Bulk Density (Electron Density)=4.15 gm/cc
note: Specific Gravity of Sinnerite =4.47 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0022324178
Boson Index = 0.9977675822 |
| Photoelectric: |
PESinnerite = 40.98 barns/electron
U=PESinnerite x rElectron Density= 170.06 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sinnerite is Not Radioactive |
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Sinnerite Classification
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| Dana Class: |
03.06.14.01 (03)Sulfides - Sulfosalts |
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(03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.06.14)Dana Group |
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03.06.14.01 Sinnerite Cu6As4S9 P1 1 |
| Strunz Class: |
02.GC.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.G - Sulfarsenites, sulfantimonites, sulfbismuthites |
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02.GC -Poly-sulfarsenites |
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02.GC.10 Sinnerite Cu6As4S9 P1 1 |
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Other Sinnerite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| See Also: |
Links to other databases for Sinnerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Sinnerite
Cu6As4S9
Dana No: 03.06.14.01 Strunz No: 02.GC.10
Locality:
Notes:
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